
cse103day25
... You create the web forms and action pages to enter data into those tables and to manipulate the data as needed for your UBT project. http://www.cse.msu.edu/~cse103 U:/msu/course/cse/103 ...
... You create the web forms and action pages to enter data into those tables and to manipulate the data as needed for your UBT project. http://www.cse.msu.edu/~cse103 U:/msu/course/cse/103 ...
addfile-2013-06-24-01-38
... Now i am using the $this->db->query() $query = "SELECT * FROM tb_cash_transaction, tb_currency, tb_user where tb_cash_transaction.CURRENCY_ID=tb_currency.CURRENCY_ID and tb_cash_transaction.USER_ID=tb_user.USER_ID and TYPE='cash_out'"; $query = $this->db->query($query); ...
... Now i am using the $this->db->query() $query = "SELECT * FROM tb_cash_transaction, tb_currency, tb_user where tb_cash_transaction.CURRENCY_ID=tb_currency.CURRENCY_ID and tb_cash_transaction.USER_ID=tb_user.USER_ID and TYPE='cash_out'"; $query = $this->db->query($query); ...
Temporal Data and The Relational Model
... • UNPACK r ON (a1, a2) UNPACK (UNPACK r ON a1) ON a2 UNPACK (UNPACK r ON a2) ON a1 Packing on several attributes: • PACK r ON (a1, a2) PACK (PACK (UNPACK r ON (a1,a2)) ON a1) ON a2 not: PACK (PACK(UNPACK r ON (a1,a2)) ON a2) ON a1 and not: PACK (PACK r ON a1) ON a2 • Although redundancy is eli ...
... • UNPACK r ON (a1, a2) UNPACK (UNPACK r ON a1) ON a2 UNPACK (UNPACK r ON a2) ON a1 Packing on several attributes: • PACK r ON (a1, a2) PACK (PACK (UNPACK r ON (a1,a2)) ON a1) ON a2 not: PACK (PACK(UNPACK r ON (a1,a2)) ON a2) ON a1 and not: PACK (PACK r ON a1) ON a2 • Although redundancy is eli ...
Slide 1
... application. Normally you can take this action with Logging Handler. You log the exception and throw back the same exception. Calling method/component can take further action on the exception. ...
... application. Normally you can take this action with Logging Handler. You log the exception and throw back the same exception. Calling method/component can take further action on the exception. ...
SAS/ACCESS 9.1.3 Supplement for MySQL (SAS
... 3 All identifier names must be from 1 to 64 characters long, except for aliases, which may be 255 characters. 3 Database names must be unique. For each user within a database, names of database objects must be unique across all users (for example, if a database contains a department table created by ...
... 3 All identifier names must be from 1 to 64 characters long, except for aliases, which may be 255 characters. 3 Database names must be unique. For each user within a database, names of database objects must be unique across all users (for example, if a database contains a department table created by ...
Chapter 2: Relational Model
... The result of any arithmetic expression involving null is null. Aggregate functions simply ignore null values (as in SQL) For duplicate elimination and grouping, null is treated like any other ...
... The result of any arithmetic expression involving null is null. Aggregate functions simply ignore null values (as in SQL) For duplicate elimination and grouping, null is treated like any other ...
ch2 copy
... indivisible (note how this differs from ER modeling). Multi-valued attribute values are not atomic. Composite attribute values are not atomic. ...
... indivisible (note how this differs from ER modeling). Multi-valued attribute values are not atomic. Composite attribute values are not atomic. ...
Database Cracking
... binary relational algebra, and hooks to easily extend the relational engine. In MonetDB, every n-ary relational table is represented by a group of binary relations, called BAT s [5]. A BAT represents a mapping from an oid-key to a single attribute attr. Its tuples are stored physically adjacent to s ...
... binary relational algebra, and hooks to easily extend the relational engine. In MonetDB, every n-ary relational table is represented by a group of binary relations, called BAT s [5]. A BAT represents a mapping from an oid-key to a single attribute attr. Its tuples are stored physically adjacent to s ...
Integrating with Fortis - Triangle Solutions Technology
... different database engines using the same source code. The goal of ODBC is to make it possible to access any data from any application, regardless of which database management system (DBMS) is handling the data. Fortis supports several database engines that are completely ODBC-compliant. ...
... different database engines using the same source code. The goal of ODBC is to make it possible to access any data from any application, regardless of which database management system (DBMS) is handling the data. Fortis supports several database engines that are completely ODBC-compliant. ...
Clearspace Documentation : Installation Guide
... read metadata about its tables defined in the database. Since the application does not know what the default schema is, it may inadvertently retrieve information about its tables defined in other schemas. If you have set up application instances using other schemas in the same database, then this ca ...
... read metadata about its tables defined in the database. Since the application does not know what the default schema is, it may inadvertently retrieve information about its tables defined in other schemas. If you have set up application instances using other schemas in the same database, then this ca ...
Elastic Data Warehousing in the Cloud
... The aforementioned pay-per-use model has the potential to handle peaks and valleys in the use of a data warehouse in a financially efficient way. A data warehouse might for example not be used much at night, or the different parts of a data warehouse of an international organization may be in heavy ...
... The aforementioned pay-per-use model has the potential to handle peaks and valleys in the use of a data warehouse in a financially efficient way. A data warehouse might for example not be used much at night, or the different parts of a data warehouse of an international organization may be in heavy ...
module - BIT Mesra
... phases can occur at equilibrium in heterogeneous systems, identify the total number of phases , components and calculate the degree of freedom of various heterogeneous systems in equilibrium b) Classify different types of fuels mainly fossil fuels, evaluate their properties, solve problems pertainin ...
... phases can occur at equilibrium in heterogeneous systems, identify the total number of phases , components and calculate the degree of freedom of various heterogeneous systems in equilibrium b) Classify different types of fuels mainly fossil fuels, evaluate their properties, solve problems pertainin ...
Agenda
... SQL> shutdown immediate; SQL> startup mount; At this point, we now have both databases as standby. 4. On target standby database, verify switchover status. If value is “TO_PRIMARY” then SQL> alter database commit to switchover to primary; If value is “SESSIONS ACTIVE”, then append “WITH SESSION SHUT ...
... SQL> shutdown immediate; SQL> startup mount; At this point, we now have both databases as standby. 4. On target standby database, verify switchover status. If value is “TO_PRIMARY” then SQL> alter database commit to switchover to primary; If value is “SESSIONS ACTIVE”, then append “WITH SESSION SHUT ...
ISCS 373 Syllabus - Longwood University
... and presentation. Instructors may assign a grade of “0” or “F” on work missed because of unexcused absences. Instructors have the right to lower a student’s course grade, but no more than one letter grade, if the student misses 10 percent of the scheduled class meeting times for unexcused absenc ...
... and presentation. Instructors may assign a grade of “0” or “F” on work missed because of unexcused absences. Instructors have the right to lower a student’s course grade, but no more than one letter grade, if the student misses 10 percent of the scheduled class meeting times for unexcused absenc ...
mobile computing and databases
... Alternative plans include deciding (based on state of MH and environment) whether to access in the cache at the MH, to request a mobile transaction, or to obtain from a broadcast ...
... Alternative plans include deciding (based on state of MH and environment) whether to access in the cache at the MH, to request a mobile transaction, or to obtain from a broadcast ...
Chapters 2,3,6,7,8,9,15
... from the miniworld that is described in the database. An attribute represents some property of interest that further describes an entity, such as the employee’s name or salary. A relationship among two or more entities represents an association among the entities, for example, a works-on relationshi ...
... from the miniworld that is described in the database. An attribute represents some property of interest that further describes an entity, such as the employee’s name or salary. A relationship among two or more entities represents an association among the entities, for example, a works-on relationshi ...
B B A II Semester I T FOR BUSINESS & MANAGEMENT
... 4. IT plays an important role in easily solving the mathematical problems and in the project management system. 5. It has a great use in the automated production of sensitive information, automated up-gradation of the important business processes and the automated streamlining of the various busines ...
... 4. IT plays an important role in easily solving the mathematical problems and in the project management system. 5. It has a great use in the automated production of sensitive information, automated up-gradation of the important business processes and the automated streamlining of the various busines ...
Explanation-Based Auditing
... • L116 Alice had an appointment with Dr. Dave. • L127 Radiologist Ron reviewed Alice’s x-rays for Dr. Dave. • L900 Surgeon Sam performed a surgery for Alice after Dr. Dave referred Alice to Sam. One approach to providing explanations would require the user (e.g., the doctor) to enter a reason each t ...
... • L116 Alice had an appointment with Dr. Dave. • L127 Radiologist Ron reviewed Alice’s x-rays for Dr. Dave. • L900 Surgeon Sam performed a surgery for Alice after Dr. Dave referred Alice to Sam. One approach to providing explanations would require the user (e.g., the doctor) to enter a reason each t ...
Managing database connections with JDBC
... Because of the extra tier, many of the problems that affected the two-tier model are no longer an issue. For example, the middle layer now maintains the database connection information. This means the clients only need to know about the middle tier. Because the middle tier is generally operating at ...
... Because of the extra tier, many of the problems that affected the two-tier model are no longer an issue. For example, the middle layer now maintains the database connection information. This means the clients only need to know about the middle tier. Because the middle tier is generally operating at ...
Overview of Transaction Management
... This means the database holds more than one value for a data item at the same time ...
... This means the database holds more than one value for a data item at the same time ...
Past Students
... • data is maintained once and then accessed by multiple departments - no duplication ...
... • data is maintained once and then accessed by multiple departments - no duplication ...
Database model

A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.